Initial boiler plate project

node_modules/next/dist/esm/lib/memory/gc-observer.js

@@ -0,0 +1,34 @@
+import { PerformanceObserver } from "perf_hooks";
+import { warn } from "../../build/output/log";
+import { bold } from "../picocolors";
+const LONG_RUNNING_GC_THRESHOLD_MS = 15;
+const gcEvents = [];
+const obs = new PerformanceObserver((list)=>{
+    const entry = list.getEntries()[0];
+    gcEvents.push(entry);
+    if (entry.duration > LONG_RUNNING_GC_THRESHOLD_MS) {
+        warn(bold(`Long running GC detected: ${entry.duration.toFixed(2)}ms`));
+    }
+});
+/**
+ * Starts recording garbage collection events in the process and warn on long
+ * running GCs. To disable, call `stopObservingGc`.
+ */ export function startObservingGc() {
+    obs.observe({
+        entryTypes: [
+            "gc"
+        ]
+    });
+}
+export function stopObservingGc() {
+    obs.disconnect();
+}
+/**
+ * Returns all recorded garbage collection events. This function will only
+ * return information from when `startObservingGc` was enabled and before
+ * `stopObservingGc` was called.
+ */ export function getGcEvents() {
+    return gcEvents;
+}
+
+//# sourceMappingURL=gc-observer.js.map